LOADER_BASE_ADDR equ 0x7e00
LOADER_START_SECTOR equ 0x2
LOADER_SECTOR_NUMBER equ 5

COFF_START_SECTOR equ 0x10
COFF_SECTOR_NUMBER equ 0xE0
COFF_BASE_ADDR equ 0x10000

;KERNEL_START_SECTOR equ 0x9
;KERNEL_BIN_BASE_ADDR equ 0x70000
;KERNEL_SECTOR_NUMBER equ 200
;KERNEL_ENTRY_POINT equ 0xc0001500

DESC_G_4K   equ	  100000000000000000000000b   
DESC_D_32   equ	   10000000000000000000000b
DESC_L	    equ	    1000000000000000000000b
DESC_AVL    equ	     100000000000000000000b
DESC_P	    equ		      1000000000000000b
DESC_DPL_0  equ		       000000000000000b
DESC_DPL_1  equ		       010000000000000b
DESC_DPL_2  equ		       100000000000000b
DESC_DPL_3  equ		       110000000000000b
DESC_TYPE_SYSTEM  equ		 0000000000000b
DESC_TYPE_CODE  equ	         1100000000000b	;x=1,c=0,r=0,a=0 code seg is executable, nonconfirming, unreadable, accessed bit a set 0.  
DESC_TYPE_DATA  equ	         1000000000000b	;x=0,e=0,w=1,a=0 data seg is inexecutable, upward, writeable, accessed bit a set 0.
DESC_CODE_CONFIRMING equ       10000000000b
DESC_CODE_READABLE equ          1000000000b
DESC_CODE_ACCESSED equ           100000000b
DESC_DATA_EXTEND_DIR equ       10000000000b
DESC_DATA_WRITABLE equ          1000000000b
DESC_DATA_ACCESSED equ           100000000b

INTR_TYPE_INT32 equ           111000000000b
INTR_TYPE_TRAP32 equ          111100000000b
INTR_TYPE_INT16 equ           011000000000b
INTR_TYPE_TRAP16 equ          011100000000b
INTR_TYPE_TASK32 equ          010100000000b

RPL0  equ   00b
RPL1  equ   01b
RPL2  equ   10b
RPL3  equ   11b
TI_GDT	 equ   000b
TI_LDT	 equ   100b

PAGE_DIR_TABLE_POS equ 0x100000

PG_P  equ   1b
PG_RW_R	 equ  00b 
PG_RW_W	 equ  10b 
PG_US_S	 equ  000b 
PG_US_U	 equ  100b 

PT_NULL equ 0
